Improvement in steam-generators



B.T.BABBITT. STEAM GENERATOR.

No. 02,000. PatentedJ-une 29, 1800.

vertical position, but which (flatbed git-i 25 pace cram BENJAMIN .T. BABBIIT'IQOF NEW YORK, N. Y.

Letters Patent No. 92,000, dated June 29,1869.

IN BTEAM-GENERATQ.

. w- The Schedule refund todn Paton! and ranking oi the same.

To' all whom it may concern Beit known that I, BuxJAms T.- BABBITT, oi the city, county, and btate of New York, have invented a-newand-nseful Improvement in Steam-Boilers, applicable also to Condensers, oi" which the following is a'full, clear, and exact description, reference being had to the accompanying drawing, forming part of this specification, and in which- Figure 1 represents a side elevation. of a steam- ,boiler, constructed in accordance with the invention,

Similar letters of reference indicate corresponding parts.

My invention consists in a structure made-upof main and branch pipes arranged to occupy right-angled or cross-positions, and forming tiers and rows of pipes or tubes connected so as to form but a single structure, and allowing of free circulation between or around them in various directions, the same combining cheapness and simplicity otconstruction together with an extended working-surface.

Referring, m the tirst instance, to figs. I and 2 of the drawing, which represents a steam-boiler set in its supporting or surrounding b rick-work, -to occupy a.

may, if desired, be made to assume a ditierent one, the entire body or steamgenerating capacity of the boiler is supposedtbbc. made of cast-iron, andv may either be formed insecv. tions suitably secured together, or of a single casting, as,.ior instance, by making it in flasks or moulds armnged to form halves, or opposite portions, meeting,

as indicated by the blue lines: as in fig. 2.

Such body consists of an intermediate lower horizontal pipe, A, and any suitable number of connecting parallel vertical main pipes, B B, with horizontal branch tubes, 0 C, projecting in a radial manner from the vertical pipes, all of said pipes, A, B B, and O O, presenting l'ree closed outer ends, arid being so set, or diyidedly arranged relatively toeach other, as to form tiers and rows of pipes, with tree circulation or passage for the flame and heated gases between them, both in vertical and horizontal directions, as also around them.

This peculiar pipe-like'construction of the body constitutes ut'once both a cheap, simple, and efl'ective boiler, the same combining, with a large or extended heating-surface, the most perfect freedom for independent expansion and contraction of the pipes or tubes, in direction of their length, by reason of the unrestrained exposure of them at their outer ends. I

A steam-drum, D, t'rom'which the supply is designed to be drawn, as at may, if desired, be connected with said body,,without interfering with the 'hereinbefore-specified provision for expansion of the parts, as, for instance, by means of bent copper, om ev other comparatively flexible pipes, a a, disposedto connect said drum with the several vertical pipes 13 B. Y A similar construction is shown in fig. 3, for the branch tubes U G, from or at their ends 0 I), with each other, and with the drum, by means of small and comparatively flexible bent pipes, b b, which, while.

.they serve to increase or improve the circulationwithin the boiler, and to pass the steam as generatgl from the lower to the upper portion or portions of the boiler, offer no practical obstruction to the independent expansion and contraction, in direction of their length, of the branch tubes.

The water is supplied to the b oner through the lower horizontal main pipe A, as at e.

In some cases, it may be preferred to construct portions oi the boiler oicast, and others of wrought-iron. Thus, the branch tubes 0 0 may be. of wrought-iron, andbe screwed into the vertical pipesB B, and, if

desired, turns or elbows may be fitted on to the outer ends of either two adjacent branch tubes, whetherthe latter "be of wrought or drst-nretahthus making each branch tube of a double, or U-form, as it were, without destroying the independence of the same, as regards expansion and contraction, in direction of their length, irrespectively oi the main pipes, as also without aflecting or interfering with theindependent expansion and contraction of the said main pipes.

The same pipe like structure, as shown in the drawing, and .as has here been described, may, by reversing its position, or turningit upside down, he used to advantage either, as a surface or air-condenser, allowing, for instance, in such case, the steam to enter by the aperture or branch 0, and the water of'condensa-.- tion to pass off by the opening or branch d, said' branches vbeing reversed, as regards their upper and lower positious,with the changed or reversed position j of the whole structure.

What is here claimed, and desired to be secured by Letters Patent, is-

1. The arrangement, with the main pipes or body of the structure-of the drum D, and connected with t the same by means of bent pipes or a, whereby to secure an independent flexibility to such connections, and

therepy to provide for the expansion and contraction of the main pipes, as herein set forth.

2. The combination, with the main pipes B B and branch pipes G O, of the tubular connections b b, of flexible character, as described, and arranged to connect the branch pipes with each other, and with the drum, substantially asspecitied.

- B. T. BABBITT.

Witnesses:

FRED. Hsnrts J. W. Gnomes. 

